An investigation that is _______ canoccasionally yield new facts, even notable ones, but typically the appearance of such facts is theresult of a search in a definite direction.

　　(A) timely

　　(B) unguided

　　(C) consistent

　　(D) uncomplicated

　　(E) subjective

　　KEY:B

　　1.关键字：“but”

　　2.空中应该填入一个形容词，是对于“an investigation”的一种形容;

　　3.后半句中有but出现，应该是与前半句表达相反的意思，而后半句中的“a search”是前半句中的“an investigation”的同义替换，因此空中应该填入一个与在后半句中形容search相反的词语，即“not in a definite direction”。

　　4.词语解释

　　[1].(A) timely：(及时的)appropriate or adapted tothe times or the occasion

　　[2].(B) unguided：(没有导向的)not to direct, supervise, or influence usually to aparticular end

　　[3].(C) consistent：(一致的)marked by harmony,regularity, or steady continuity

　　[4].(D) uncomplicated：(不复杂的)not difficult to analyze,understand, or explain

　　[5].(E) subjective：(主要的)of or relating to theessential being of that which has substance, qualities, attributes, orrelations

　　新gre填空更加注重实际运用语言能力的考察，减少了对单词纯意义的考察，所以备考新gre填空考试的考生可以根据以上gre官方指南对三空题型的解析进行备考。

　　Kaganmaintains that an infant’s reactions to its first stressful experiences arepart of a naturalprocess of development, notharbingers ofchildhood unhappiness or______ signsofadolescent anxiety.

　　(A) prophetic

　　(B) normal

　　(C) monotonous

　　(D) virtual

　　(E) typical